Finding the Third Proportional to 87,111 and 185,607

Step by Step Solution

1. Step 1: Write the proportion equation
   87,111 : 185,607 = 185,607 : x
2. Step 2: Convert to fraction form
   87,111/185,607 = 185,607/x
3. Step 3: Cross multiply
   87,111x = 185,607 × 185,607
4. Step 4: Simplify right side
   87,111x = 34,449,958,449
5. Step 5: Solve for x
   x = 34,449,958,449/87,111
6. Step 6: Final answer
   x = 395,471.97